gdb/testsuite/gdb.cp/derivation.exp

   1 # Copyright 1998-2004, 2007-2012 Free Software Foundation, Inc.
   2
   3 # This program is free software; you can redistribute it and/or modify
   4 # it under the terms of the GNU General Public License as published by
   5 # the Free Software Foundation; either version 3 of the License, or
   6 # (at your option) any later version.
   7 #
   8 # This program is distributed in the hope that it will be useful,
   9 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  10 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  11 # GNU General Public License for more details.
  12 #
  13 # You should have received a copy of the GNU General Public License
  14 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  15
  16 # This file was written by Elena Zannoni (ezannoni@cygnus.com)
  17 # And rewritten by Michael Chastain <mec.gnu@mindspring.com>
  18
  19 # This file is part of the gdb testsuite
  20
  21 # tests for inheritance, with several derivations types combinations
  22 # (private, public, protected)
  23 # classes have simple members and member functions.
  24
  25 set ws "\[\r\n\t \]+"
  26 set nl "\[\r\n\]+"
  27
  28 # Start program.
  29
  30
  31 if { [skip_cplus_tests] } { continue }
  32
  33 load_lib "cp-support.exp"
  34
  35 standard_testfile .cc
  36
  37 if {[prepare_for_testing $testfile.exp $testfile $srcfile {debug c++}]} {
  38     return -1
  39 }
  40
  41 # Check inheritance of typedefs.
  42 foreach klass {"A" "D" "E" "F"} {
  43     gdb_test "ptype ${klass}::value_type" "type = int"
  44     gdb_test "whatis ${klass}::value_type" "type = int"
  45     gdb_test "p (${klass}::value_type) 0" " = 0"
  46 }
  47 foreach klass {"Z" "ZZ"} {
  48     gdb_test "ptype ${klass}::value_type" "type = float"
  49     gdb_test "whatis ${klass}::value_type" "type = float"
  50     gdb_test "p (${klass}::value_type) 0" " = 0"
  51 }
  52
  53 # Set it up at a breakpoint so we can play with the variable values.
  54
  55 if ![runto 'marker1'] then {
  56     perror "couldn't run to marker1"
  57     continue
  58 }
  59
  60 gdb_test "up" ".*main.*" "up from marker1"
  61
  62 # Print class types and values.
  63
  64 # class A
  65
  66 gdb_test "print a_instance" "\\$\[0-9\]+ = \{a = 1, aa = 2\}" "print value of a_instance"
  67
  68 cp_test_ptype_class \
  69     "a_instance" "" "class" "A" \
  70     {
  71         { field  public "A::value_type a;" }
  72         { field  public "A::value_type aa;" }
  73         { method public "A();" }
  74         { method public "A::value_type afoo();" }
  75         { method public "A::value_type foo();" }
  76         { typedef public "typedef int value_type;" }
  77     }
  78
  79 # class D
  80
  81 gdb_test_multiple "print d_instance" "print value of d_instance" {
  82     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, d = 7, dd = 8\}$nl$gdb_prompt $" {
  83         pass "print value of d_instance"
  84     }
  85 }
  86
  87 cp_test_ptype_class \
  88     "d_instance" "" "class" "D" \
  89     {
  90         { base          "private A" }
  91         { base          "public B" }
  92         { base          "protected C" }
  93         { field  public "A::value_type d;" }
  94         { field  public "A::value_type dd;" }
  95         { method public "D();" }
  96         { method public "A::value_type dfoo();" }
  97         { method public "A::value_type foo();" }
  98     } \
  99     "" \
 100     {
 101         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 102     }
 103
 104 # class E
 105
 106 gdb_test_multiple "print e_instance" "print value of e_instance" {
 107     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, e = 9, ee = 10\}$nl$gdb_prompt $" {
 108         pass "print value of e_instance"
 109     }
 110 }
 111
 112 cp_test_ptype_class \
 113     "e_instance" "" "class" "E" \
 114     {
 115         { base          "public A" }
 116         { base          "private B" }
 117         { base          "protected C" }
 118         { field  public "A::value_type e;" }
 119         { field  public "A::value_type ee;" }
 120         { method public "E();" }
 121         { method public "A::value_type efoo();" }
 122         { method public "A::value_type foo();" }
 123     } \
 124     "" \
 125     {
 126         { "protected C" "private C" { setup_xfail "*-*-*" "gcc/13539" } }
 127     }
 128
 129 # class F
 130
 131 gdb_test_multiple "print f_instance" "print value of f_instance" {
 132     -re "\\$\[0-9\]+ = \{<(class A|A)> = \{a = 1, aa = 2\}, <(class B|B)> = \{b = 3, bb = 4\}, <(class C|C)> = \{c = 5, cc = 6\}, f = 11, ff = 12\}$nl$gdb_prompt $" {
 133         pass "print value of f_instance"
 134     }
 135 }
 136
 137 cp_test_ptype_class \
 138     "f_instance" "" "class" "F" \
 139     {
 140         { base          "private A" }
 141         { base          "public B" }
 142         { base          "private C" }
 143         { field  public "A::value_type f;" }
 144         { field  public "A::value_type ff;" }
 145         { method public "F();" }
 146         { method public "A::value_type ffoo();" }
 147         { method public "A::value_type foo();" }
 148     }
 149
 150 # class G
 151 cp_test_ptype_class \
 152     "g_instance" "" "class" "G" \
 153     {
 154         { base          "private A" }
 155         { base          "public B" }
 156         { base          "protected C" }
 157         { field public "int g;" }
 158         { field public "int gg;" }
 159         { field public "int a;" }
 160         { field public "int b;" }
 161         { field public "int c;" }
 162         { method public "int gfoo();" }
 163         { method public "int foo();" }
 164     }
 165
 166 # Print individual fields.
 167
 168 gdb_test "print d_instance.a"  "\\$\[0-9\]+ = 1" "print value of d_instance.a"
 169 gdb_test "print d_instance.aa" "\\$\[0-9\]+ = 2" "print value of d_instance.aa"
 170 gdb_test "print d_instance.b"  "\\$\[0-9\]+ = 3" "print value of d_instance.b"
 171 gdb_test "print d_instance.bb" "\\$\[0-9\]+ = 4" "print value of d_instance.bb"
 172 gdb_test "print d_instance.c"  "\\$\[0-9\]+ = 5" "print value of d_instance.c"
 173 gdb_test "print d_instance.cc" "\\$\[0-9\]+ = 6" "print value of d_instance.cc"
 174 gdb_test "print d_instance.d"  "\\$\[0-9\]+ = 7" "print value of d_instance.d"
 175 gdb_test "print d_instance.dd" "\\$\[0-9\]+ = 8" "print value of d_instance.dd"
 176
 177 # Print some fields which are defined in the top of class G
 178 # and in its base classes.  This is not be ambiguous.
 179
 180 gdb_test "print g_instance.a"  "\\$\[0-9\]+ = 15" "print value of g_instance.a"
 181 gdb_test "print g_instance.b"  "\\$\[0-9\]+ = 16" "print value of g_instance.b"
 182 gdb_test "print g_instance.c"  "\\$\[0-9\]+ = 17" "print value of g_instance.c"
 183
 184 # Print a function call.
 185
 186 gdb_test "print g_instance.afoo()" "\\$\[0-9\]+ = 1" "print value of g_instance.afoo()"
 187
 188 # If GDB fails to restore the selected frame properly after the
 189 # inferior function call above (see GDB PR 1155 for an explanation of
 190 # why this might happen), all the subsequent tests will fail.  We
 191 # should detect report that failure, but let the marker call finish so
 192 # that the rest of the tests can run undisturbed.
 193
 194 gdb_test_multiple "frame" "re-selected 'main' frame after inferior call" {
 195     -re "#0  marker1.*$gdb_prompt $" {
 196         setup_kfail "gdb/1155" s390-*-linux-gnu
 197         fail "re-selected 'main' frame after inferior call"
 198         gdb_test "finish" ".*main.*at .*derivation.cc:.*// marker1-returns-here.*" \
 199             "finish call to marker1"
 200     }
 201     -re "#1  ($hex in )?main.*$gdb_prompt $" {
 202         pass "re-selected 'main' frame after inferior call"
 203     }
 204 }
 205
 206 gdb_test "print g_instance.bfoo()" "\\$\[0-9\]+ = 2" "print value of g_instance.bfoo()"
 207 gdb_test "print g_instance.cfoo()" "\\$\[0-9\]+ = 3" "print value of g_instance.cfoo()"
 208
 209 # Check typedefs of fields
 210 foreach Klass {"C" "G"} {
 211     set klass [string tolower $Klass]
 212     set instance "${klass}_instance"
 213     set var "${instance}.$klass"
 214     gdb_test "whatis $var" "int"
 215     gdb_test "ptype $var" "int"
 216 }
 217
 218 foreach Klass {"A" "B" "D" "E" "F"} {
 219     set klass [string tolower $Klass]
 220     set instance "${klass}_instance"
 221     set var "${instance}.$klass"
 222     gdb_test "whatis $var" "A::value_type"
 223     gdb_test "ptype $var" "int"
 224     if {![string equal $Klass "B"]} {
 225         gdb_test "p (${Klass}::value_type) 0" " = 0"
 226     }
 227 }
 228
 229 foreach Klass {"Z" "ZZ"} {
 230     set klass [string tolower $Klass]
 231     set instance "${klass}_instance"
 232     set var "${instance}.$klass"
 233     gdb_test "whatis $var" "Z::value_type"
 234     gdb_test "ptype $var" "float"
 235     gdb_test "p (${Klass}::value_type) 0" " = 0"
 236 }
 237
 238 # This is a regression test for a bug that caused a crash when trying
 239 # to print the vtbl pointer.  We don't care about the output so much
 240 # here (it is tested elsewhere), just that gdb doesn't crash.  We test
 241 # "ptype" first because, before the gdb fix, that was the only code
 242 # path calling get_vptr_fieldno.
 243 gdb_test "ptype vderived" "type = .*"
 244 gdb_test "print vderived" " = {.* inter = 0.*x = 0}"
 245
 246 # Test whether inheritance of typedefs is properly
 247 # reported when stopped.
 248 gdb_test "ptype N::value_type" "type = double"
 249 gdb_test "ptype N::Derived::value_type" "type = int"
 250
 251 # Now run to N::Derived::doit and get the type of "value_type"
 252 if {![runto "N::Derived::doit"]} {
 253     perrro "couldn't run to N::Derived::doit"
 254     continue
 255 }
 256
 257 gdb_test "ptype value_type" "type = int"